Home / 3,251.63-4,485.77-2,071.96

Finding the Fourth Proportional to 3,251.63, 4,485.77 and 2,071.96

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Solution

The fourth proportional to 3,251.63, 4,485.77 and 2,071.96 is: 2,858.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.63 : 4,485.77 = 2,071.96 : x
  2. Step 2: Convert to fraction form
    3,251.63/4,485.77 = 2,071.96/x
  3. Step 3: Cross multiply
    3,251.63x = 4,485.77 × 2,071.96
  4. Step 4: Simplify right side
    3,251.63x = 9,294,325.65
  5. Step 5: Solve for x
    x = 9,294,325.65/3,251.63
  6. Step 6: Final answer
    x = 2,858.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.